Copper fluctuates before Chinese trade data

Copper swung between gains and losses on Tuesday before China's data were published and as the U.S. Federal Reserve may scale back stimulus measures as the economic outlook improves. Copper for August delivery traded on the London Metal Exchange was traded at $7,397 a metric ton as of 11:19 a.m. Tokyo time following a fall to $7,360 and a gain to $7,415.25.